Ball of valve



FIG. 1 is a perspective view of ball of valve according to the present invention.

FIG. 2 is a front view of ball of valve according to the present invention.

FIG. 3 is a rear view of ball of valve according to the present invention.

FIG. 4 is a left side view of ball of valve according to the present invention.

FIG. 5 is a top plan view of ball of valve according to the present invention.

FIG. 6 is a bottom plan view of ball of valve according to the present invention; and,

FIG. 7 is a sectional view taken along line A—A′ of FIG. 5. 

I claim the ornamental design for ball of valve, as shown and described. 